package com.palmap.redis.config;

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.redis.connection.RedisConnectionFactory;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.data.redis.listener.ChannelTopic;
import org.springframework.data.redis.listener.RedisMessageListenerContainer;
import org.springframework.data.redis.listener.adapter.MessageListenerAdapter;
import org.springframework.data.redis.serializer.Jackson2JsonRedisSerializer;
import org.springframework.data.redis.serializer.RedisSerializer;
import org.springframework.data.redis.serializer.StringRedisSerializer;

import com.fasterxml.jackson.annotation.JsonAutoDetect;
import com.fasterxml.jackson.annotation.PropertyAccessor;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.palmap.redis.DemoConsumer;

/**
 * @author zhangxinju
 * @since 2020/5/7 6:15 下午
 */
@Configuration
public class RedisConfig {
    @Bean
    public RedisMessageListenerContainer container(RedisConnectionFactory redisConnectionFactory,
        MessageListenerAdapter priceListenerAdapter, MessageListenerAdapter caseListenerAdapter) {

        RedisMessageListenerContainer container = new RedisMessageListenerContainer();
        container.setConnectionFactory(redisConnectionFactory);
        container.addMessageListener(priceListenerAdapter, new ChannelTopic("PRICE_TOPIC"));
        container.addMessageListener(caseListenerAdapter, new ChannelTopic("CASE_TOPIC"));

        return container;
    }

    /**
     * 消费者消息监听
     *
     * @return MessageListenerAdapter
     */
    @Bean
    public MessageListenerAdapter priceListenerAdapter(DemoConsumer consumer) {
        return new MessageListenerAdapter(consumer, "priceReceive");
    }

    @Bean
    public MessageListenerAdapter caseListenerAdapter(DemoConsumer consumer) {
        return new MessageListenerAdapter(consumer, "caseReceive");
    }

    @Bean
    public RedisTemplate<String, Object> redisTemplate(RedisConnectionFactory factory) {

        RedisTemplate<String, Object> template = new RedisTemplate<>();
        // 配置连接工厂
        template.setConnectionFactory(factory);

        // 使用Jackson2JsonRedisSerializer来序列化和反序列化redis的value值（默认使用JDK的序列化方式）
        Jackson2JsonRedisSerializer<Object> jsonRedisSerializer = new Jackson2JsonRedisSerializer<>(Object.class);

        ObjectMapper om = new ObjectMapper();
        // 指定要序列化的域，field,get和set,以及修饰符范围，ANY是都有包括private和public
        om.setVisibility(PropertyAccessor.ALL, JsonAutoDetect.Visibility.ANY);
        // 指定序列化输入的类型，类必须是非final修饰的，final修饰的类，比如String,Integer等会跑出异常
        om.enableDefaultTyping(ObjectMapper.DefaultTyping.NON_FINAL);
        jsonRedisSerializer.setObjectMapper(om);

        // 值采用json序列化
        template.setValueSerializer(jsonRedisSerializer);
        // 使用StringRedisSerializer来序列化和反序列化redis的key值
        template.setKeySerializer(RedisSerializer.string());

        // 设置hash key 和value序列化模式
        template.setHashKeySerializer(new StringRedisSerializer());
        template.setHashValueSerializer(jsonRedisSerializer);
        template.afterPropertiesSet();

        return template;
    }
}
